Finding the Fourth Proportional to 6,207,657.08, 9,311,879.21 and 1,947,993.44
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Solution
The fourth proportional to 6,207,657.08, 9,311,879.21 and 1,947,993.44 is: 2,922,113.66
Step by Step Solution
- Step 1: Write the proportion equation
6,207,657.08 : 9,311,879.21 = 1,947,993.44 : x - Step 2: Convert to fraction form
6,207,657.08/9,311,879.21 = 1,947,993.44/x - Step 3: Cross multiply
6,207,657.08x = 9,311,879.21 × 1,947,993.44 - Step 4: Simplify right side
6,207,657.08x = 18,139,479,558,853.02 - Step 5: Solve for x
x = 18,139,479,558,853.02/6,207,657.08 - Step 6: Final answer
x = 2,922,113.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.